Answer:
in a 2005 800 the front outer is replaced by removing axle nut. brake caliper, rotor and boot. rest half shaft on jack stand. place large pipe wrench or adjustable wrench over shaft behind cv joint. strike wrench with a 2.5 pound hammer. cv joint can be easily disassembled and cleaned. use screwdriver handle to tap bearing cage verticle. remove bearings one at a time. rotating cage after each one. clean, rinstall and grease.